/* eslint-disable no-bitwise */
/*
 * Copyright 2018 Expedia Group
 *
 *         Licensed under the Apache License, Version 2.0 (the "License");
 *         you may not use this file except in compliance with the License.
 *         You may obtain a copy of the License at
 *
 *             http://www.apache.org/licenses/LICENSE-2.0
 *
 *         Unless required by applicable law or agreed to in writing, software
 *         distributed under the License is distributed on an "AS IS" BASIS,
 *         WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *         See the License for the specific language governing permissions and
 *         limitations under the License.
 */

const hashUtil = {};

hashUtil.calculateHash = svc =>
    svc.split('').reduce((a, b) => {
        let running = a;
        running = ((running << 5) - running) + b.charCodeAt(0);
        return running & running;
    }, 0);

export default hashUtil;
